mc33889 Freescale Semiconductor, Inc, mc33889 Datasheet - Page 46

• Manufacturer Part Number: mc33889
• Description: System Basis Chip With Low Speed Fault Tolerant Can Interface
• Manufacturer: Freescale Semiconductor, Inc

Table 18. IOR register.
Table 19. Control bits
Table 20. Gnd shift selection
46
33889
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Reset condition
GSLR1
$011b
Reset
Shift
IOR
0
0
1
1
0
1
HS1ON
0
1
W
R
GSLR0
0
1
0
1
Gnd shift value is higher than the level selected by the GSLR1 and GSLR2 bit
Gnd shift value is lower than the level selected by the GSLR1 and GSLR2 bit
SHIFT
D3
POR, RESET
HS1ON
HS1OT
D2
0
Typical gnd shift comparator level
State
HS1 switch turn OFF
HS1 switch turn ON
HS1
-0.3 V
-0.7 V
-1.2 V
-1.7 V
POR, RESET
V2LOW
GSLR1
Analog Integrated Circuit Device Data
D1
0
Freescale Semiconductor
POR, RESET
VSUPLOW
GSLR0
D0
0